chi square analysis, the larger the difference between expected and observed frequencies, the more likely you are to do what?        A. Keep the null hypothesis

Q: 1. State the null (Ho) and alternative (Ha) hypothesis of the following problems below. State if the…

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Q: When the following hypotheses are being tested at a level of significance of a Ho: H2 100 H3: p Za/2…

A: A hypothesis which is tested for plausible rejection is called the Null Hypothesis (typically…

Q: In a hypothesis test with a significance level of a = 0.01, we should reject the null hypothesis if…

A: The given is level of significance α=0.01 So, in hypothesis testing, we can reject the null…

Q: there is no statistically significant relationship between fear of crime and walking alone in your…

A: Given statement is,There is no statistically significant relationship between fear of crime and…

Q: To test the hypothesis that eating fish makes one smarter, a random sample of 12 persons take a fish…

A: A hypothesis test is conducted to test the claim that eating fish makes one smarter. Hence the…

Q: A quality control specialist tests samples of the seed being packaged and uses a chi-square…

A: Given Data :

Q: What is the z-value for a two-sided test of hypothesis for a population mean when the probability of…

A: In question, We'll find the z-value for a two-sided test of hypothesis for a population mean when…

Q: use the info uploaded to determine: a) Based on your answers in parts (a) to (c), will you reject…

A: In order to determine whether the mean rate of hay fever for the age group over 50 is significantly…

Q: All of the following statements are true about independent-samples t tests EXCEPT ______.   a. they…

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Q: In testing for differences between the means of two related​ populations, what is the null​…

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Q: How does the difference between fe and fo influence the outcome of a chi-square test? a.​The larger…

A: Chi square test is used to calculate the association between two or more variable. In the two way…

Q: In testing the hypothesis  H0:p = 0.4       Ha:p ≠ 0.4 The test statistic is found to be 1.87.what…

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Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given that  p=72%=0.72 Null hypothesis=H0  , Alternate hypothesis=H1

Q: Suppose Connie owns a pet store in a large community that has over 50,000 pet owners. She believes…

A: Given that  Sample sizes n1 =420 , n2=493  Favorable cases x1=234 , x2=256

Q: e) How degree of freedom is different from total number of observation? f) What do you understand by…

A: e) Degree of freedom is that they are the number of values that are free to vary. Whereas , total…

Q: Which of the following results in a null hypothesis μ≥31 and alternative hypothesis μ<31?…

A: According to the provided data, the null hypothesis is u ≥ 31 and the alternative hypothesis is u…

Q: If the p-value is less than or equal to a,we reject the alternative hypothesis (p ≤ a) answer

A: The given statement is p-value ≤ α

Q: If the Chi-square (x2) test statistic = 16, what decision would you make about your hypotheses? (…

A: The number of rows is 2 and the number of columns is 2.

Q: Suppose that we reject a null hypothesis at the 0.05 level of significance. Then for which of the…

A: Since we know that Decision : when p-value < αTherefore , reject the null hypothesis. And, when…

Q: State the null hypothesis (H,) and the alternative hypothesis (Ha) for each of the following. 1. A…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: Does this statement accurately represent Type 1 error?Rejecting the Ho after a test statistic…

A: Given that  P value = 0.30 Level of significance (α)= 0.05   We know that  Type-I error : Rejecting…

Q: Determine whether the claim stated below represents the null hypothesis or the alternative…

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Q: Which of the following p-values will lead us to reject the null hypothesis if the level of…

A: The decision rule is that, We reject H0 if P-value < α.

Q: A report on a certain fast food restaurant states that μμ, the mean order total, is $9. The manager…

A: The Manager wants to test whether the mean is >9$ therefore it is Right Tailed Test. Null…

Q: 1. Which of the following would be an appropriate null hypothesis? A. The mean of a population is…

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Q: (0) If the researcher decides to test this hypothesis at the a = 0.05 level of significance, will…

A: E) The sample size n is 35.

Q: Which of the following statements is correct?     The p-value measures the probability of…

A: Concept of p-value: The p-value in hypothesis testing is the probability of obtaining a test…

Q: Two teaching assistants, Camille and Julianne, wanted to investigate the the average number of hours…

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Q: What is the value of the test statistic?

A: Given : n1=60 , n2=60 , X1-bar=51900 , X2-bar=53200 , s1=6000 , s2=6000 ,α=0.05 Our aim is to the…

Q: A dental assistant is interested in the proportion of patients that need a root canal. Let the…

A: The assistant wanted to know if the proportion of patients that need a root canal is more than 20%.…

Q: tall purple short purple tall white

A: Here we have two nominal variables each with two or more possible values. We want to conclude that…

Q: e. The p-value is ? f. Based on this, we should Select an answer O the null hypothesis. g. Thus, the…

A: We are conducting a study to see if the proportion of voters who prefer the Democratic candidate is…

Q: In testing the hypotheses H0: µ > 75 vs. HA: µ < 75, if the value of the test statistic z (z…

A: The given hypothesis is H0:μ≥75 vs.HA:μ&lt;75. The test statistic z is -1.92. It is clear that the…

Q: Approximately 38 percent of people living in Region W have the blood type O positive. A random…

A: Given : Approximately 38 percent of people living in Region W have the blood type O positive. A…

Q: Some of the statements below refer to the null hypothesis, some to the alternate hypothesis. State…

A: 1.) Here, the claim is mean number of years Americans work before retiring is 34. Thus, if μ is the…

Q: (a) Which form of the hypotheses should be used to test the manager's claim? Explain. Ho: H 2 600…

A: Since the accountant wants to test the claim whether the total charge for guest bill have been…

Q: A researcher administers a treatment to a sample of participants selected from a population with µ =…

A: Rejection of null hypothesis is only possible when the test statistic is large enough as compared to…

Q: For the situation described below, state the null hypothesis, Ho, and the alternative hypothesis,…

A: Given information- We have given that the proportion of defectives p = 0.6% = 0.006 We have to test…

Q: A researcher administers a treatment to a sample of participants selected from a population with µ =…

A: Given: μ = 42 M = 48 ∝ = 0.05. For σM = 4 The test statistic is given by, Z=M-μσM=48-424=1.5 The…

Q: In a recent study of a random sample of 113 people, 92 reported dreaming in color. In the 1940’s,…

A: The question is about hypo. testing for a popl. prop. Given : Randomly selected no. of people ( n )…

Q: Since the p-value is less than (or equal to) the level of significance, the null hypothesis is…

A: Result When p value&lt;= level of significance then we reject the null hypothesis  When p value &gt;…

Q: 9. The Statement of the Problem: Is there a significant relationship between the level of…

A: 9. the variable gender of the respondents is a categorical variable T -test , Z test and pearson r…

Q: Which of the following is _not_ a correct way to state a null hypothesis? Select one: a. H0: µd = 10…

A: Determine which is not the correct way to state null hypothesis: From the given option the way which…

Q: a) How many degrees of freedom are there on the t-statistic? b) What is your conclusion if a = 0.05?…

A: Given : n=16 , X-bar=98.93  , s=4.69 , μ0=100 , α=0.05 We want to find the standard error , lower…

Q: following would be an appropriate null hypothesis? A. The mean age of a sample is equal to 30. B.…

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Q: The Department of Health plans to test the lead level in a specific park. Because a high lead level…

A: To find: 1. Null hypothesis 2. Alternative hypothesis 3. Type I error

Q: Click the icon to view the data table. "A. Ho H1=H2 H1 1 <H2 B. Ho 1 H2 H, 2 C. Ho H1 <H2 D. Ho 1 2…

A: The degrees of freedom for non-pooled variance is, df=s12n1+s22n22s12n12n1-1+s22n2n2-12 Here s1 is…

Q: Which of the three p-values below provides the most evidence against H0?  A)   p-value = 0.411…

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Q: (b) Based on your answer to part (a), which statement below is true? Since the p-value is less than…

A: Given: H0: mu =9 H1: mu is not equal to 9 Level of significance = 0.05